KR101493481B1 - 압분자심 및 그 제조방법 - Google Patents

압분자심 및 그 제조방법 Download PDF

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Publication number: KR101493481B1
Authority: KR; South Korea
Prior art keywords: powder; low; permeability material; iron; soft magnetic
Prior art date: 2010-03-26

Application number

KR1020127027593A

Other languages

English (en)

Korean (ko)

Other versions

KR20130001283A (ko

Inventor

타카시 이나가키

치오 이시하라

Original Assignee

히다치 훈마츠 야킨 가부시키가이샤

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2010-03-26

Filing date

2011-03-25

Publication date

2015-02-13

2011-03-25 Application filed by 히다치 훈마츠 야킨 가부시키가이샤 filed Critical 히다치 훈마츠 야킨 가부시키가이샤

2013-01-03 Publication of KR20130001283A publication Critical patent/KR20130001283A/ko

2015-02-13 Application granted granted Critical

2015-02-13 Publication of KR101493481B1 publication Critical patent/KR101493481B1/ko

Links

238000004519 manufacturing process Methods 0.000 title description 6
239000000428 dust Substances 0.000 title 1
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 173
230000035699 permeability Effects 0.000 claims abstract description 160
239000000463 material Substances 0.000 claims abstract description 119
239000000843 powder Substances 0.000 claims abstract description 81
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238000000034 method Methods 0.000 claims description 27
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239000000454 talc Substances 0.000 claims description 11
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NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 5
229910052622 kaolinite Inorganic materials 0.000 claims description 5
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 5
239000010445 mica Substances 0.000 claims description 5
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BBCCCLINBSELLX-UHFFFAOYSA-N magnesium;dihydroxy(oxo)silane Chemical compound [Mg+2].O[Si](O)=O BBCCCLINBSELLX-UHFFFAOYSA-N 0.000 claims description 3
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FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
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KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
239000004327 boric acid Substances 0.000 description 1
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OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
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LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 1
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Images

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/33—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder

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Engineering & Computer Science (AREA)
Power Engineering (AREA)
Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Soft Magnetic Materials (AREA)
Powder Metallurgy (AREA)

KR1020127027593A 2010-03-26 2011-03-25 압분자심 및 그 제조방법 KR101493481B1 (ko)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2010073648		2010-03-26
JPJP-P-2010-073648		2010-03-26
PCT/JP2011/057363 WO2011118774A1 (ja)	2010-03-26	2011-03-25	圧粉磁心及びその製造方法

Publications (2)

Publication Number	Publication Date
KR20130001283A KR20130001283A (ko)	2013-01-03
KR101493481B1 true KR101493481B1 (ko)	2015-02-13

Family

ID=44673314

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR1020127027593A KR101493481B1 (ko)	2010-03-26	2011-03-25	압분자심 및 그 제조방법

Country Status (6)

Country	Link
US (1)	US9646756B2 (de)
EP (1)	EP2555210A4 (de)
JP (1)	JP5462356B2 (de)
KR (1)	KR101493481B1 (de)
CN (1)	CN102822913B (de)
WO (1)	WO2011118774A1 (de)

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9646756B2 (en)	2010-03-26	2017-05-09	Hitachi Powdered Metals Co., Ltd.	Powder magnetic core and method for producing the same
JP6088284B2 (ja) *	2012-10-03	2017-03-01	株式会社神戸製鋼所	軟磁性混合粉末
KR101499297B1 (ko) *	2012-12-04	2015-03-05	배은영	고온성형에 의한 고투자율 비정질 압분자심코아 및 그 제조방법
EP2947670B8 (de) *	2013-01-16	2019-06-05	Hitachi Metals, Ltd.	Verfahren zur herstellung eines magnetpulverkerns, magnetpulverkern und spulenkomponente
US10840005B2 (en) *	2013-01-25	2020-11-17	Vishay Dale Electronics, Llc	Low profile high current composite transformer
JP6353642B2 (ja) *	2013-02-04	2018-07-04	株式会社トーキン	磁芯、インダクタ、及びインダクタを備えたモジュール
US10074468B2 (en)	2013-03-27	2018-09-11	Hitachi Chemical Company, Ltd.	Powder magnetic core for reactor
JP2015026812A (ja) *	2013-07-29	2015-02-05	サムソンエレクトロ−メカニックスカンパニーリミテッド．	チップ電子部品及びその製造方法
WO2015046282A1 (ja) *	2013-09-27	2015-04-02	日立化成株式会社	圧粉磁心、磁心用圧粉体の製造方法、圧粉磁心製造用の押型及び金型装置、並びに、圧粉磁心製造用押型の潤滑組成物
TWI509644B (en) *	2014-01-15	2015-11-21		Soft magnetic alloy powders composition, magnetic core and inductance component
JP6508878B2 (ja) *	2014-03-17	2019-05-08	株式会社トーキン	軟磁性成型体
JP6243298B2 (ja) *	2014-06-13	2017-12-06	株式会社豊田中央研究所	圧粉磁心およびリアクトル
DE112015004097T5 (de)	2014-09-08	2017-05-24	Toyota Jidosha Kabushiki Kaisha	Magnetischer pulverkern, pulver für magnetische kerne und verfahren zu deren herstellung
CN104485200A (zh) *	2014-12-19	2015-04-01	上海楚尧电子科技有限公司	一种电抗器
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003217919A (ja) *	2002-01-17	2003-07-31	Nec Tokin Corp	圧粉磁芯及びこれを用いた高周波リアクトル
JP2009120915A (ja)	2007-11-16	2009-06-04	Kobe Steel Ltd	圧粉磁心用鉄粉及びその製造方法
WO2009075173A1 (ja)	2007-12-10	2009-06-18	Hitachi Chemical Company, Ltd.	粉末及びその製造方法
JP2009302165A (ja) *	2008-06-11	2009-12-24	Tamura Seisakusho Co Ltd	圧粉磁心及びその製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5846044B2 (ja) *	1979-04-14	1983-10-14	日本金属株式会社	圧粉鉄心
JP3857356B2 (ja)	1996-05-28	2006-12-13	日立粉末冶金株式会社	圧粉磁心用磁性粉の製法
JP2000235925A (ja)	1999-02-12	2000-08-29	Tokin Corp	チョークコイル
JP3629390B2 (ja)	1999-11-25	2005-03-16	日立粉末冶金株式会社	高周波用圧粉磁心およびその製造方法
JP2003303711A (ja) *	2001-03-27	2003-10-24	Jfe Steel Kk	鉄基粉末およびこれを用いた圧粉磁心ならびに鉄基粉末の製造方法
WO2003060930A1 (fr) *	2002-01-17	2003-07-24	Nec Tokin Corporation	Noyau magnetique de poudre et reacteur haute frequence utilisant ce noyau
JP2004143554A (ja)	2002-10-25	2004-05-20	Jfe Steel Kk	被覆鉄基粉末
EP1598836B1 (de) *	2004-05-17	2008-12-31	Nec Tokin Corporation	Hochfrequenz-Magnetkern und Verwendung in einem Induktiven Bauelement
WO2008133172A1 (ja)	2007-04-17	2008-11-06	Hitachi High-Technologies Corporation	樹脂混合用複合フィラー
JP5311397B2 (ja)	2009-05-01	2013-10-09	キヤノン電子株式会社	モーター用圧粉磁心およびその製造方法
US9646756B2 (en)	2010-03-26	2017-05-09	Hitachi Powdered Metals Co., Ltd.	Powder magnetic core and method for producing the same

2011
- 2011-03-25 US US13/637,246 patent/US9646756B2/en active Active
- 2011-03-25 JP JP2012507085A patent/JP5462356B2/ja active Active
- 2011-03-25 KR KR1020127027593A patent/KR101493481B1/ko active IP Right Grant
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003217919A (ja) *	2002-01-17	2003-07-31	Nec Tokin Corp	圧粉磁芯及びこれを用いた高周波リアクトル
JP2009120915A (ja)	2007-11-16	2009-06-04	Kobe Steel Ltd	圧粉磁心用鉄粉及びその製造方法
WO2009075173A1 (ja)	2007-12-10	2009-06-18	Hitachi Chemical Company, Ltd.	粉末及びその製造方法
JP2009302165A (ja) *	2008-06-11	2009-12-24	Tamura Seisakusho Co Ltd	圧粉磁心及びその製造方法

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KR20130001283A (ko)	2013-01-03
WO2011118774A1 (ja)	2011-09-29
CN102822913B (zh)	2017-06-09
US20130015939A1 (en)	2013-01-17
CN102822913A (zh)	2012-12-12
US9646756B2 (en)	2017-05-09
JP5462356B2 (ja)	2014-04-02
EP2555210A1 (de)	2013-02-06
JPWO2011118774A1 (ja)	2013-07-04

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